I happens under all GS selections, using all their various individual GS config settings.

EE Interpreter mode is the only way I've found to make 0.9.7 render correctly.

Let me know if I can provide any additional information to make the bug report "valid".
...
# PCSX2 version: Official Beta 3878 (exhibits issue), Official v0.9.6 release (does not have issue)
# CPU options: Tried all of them, EE Interpreter mode causes correct rendering under 0.9.7
# Plugins used: All GS plugins, and their various settings, exhibit the issue under 0.9.7
# Description: Vertical artifacts as seen in captures.